In the new film, Arrival, extraterrestrials once again pay Earth a visit. But many believe the aliens are already here. How good is the evidence? And what is the chance that experiments to eavesdrop on distant alien societies might succeed. Also, could aliens be behind the bizarre behavior of two star systems now making the news?

In the new film, Arrival, extraterrestrials once again pay Earth a visit. But many believe the aliens are already here. How good is the evidence? And what is the chance that experiments to eavesdrop on distant alien societies might succeed. Also, could aliens be behind the bizarre behavior of two star systems now making the news?

Founder/Director Melissa Butts of Melrae Pictures is producing a one-of-a-kind virtual reality (VR) documentary about last month’s incredible total eclipse of the Sun, “The Great American Eclipse 360.”

Outburst of July gamma DraconidsPeter Jenniskens reports that the CAMS meteor shower survey stations in the Netherlands noticed unusually strong activity from the normally weak July gamma Draconids meteor shower (IAU shower number 184) in the night of July 27/28.

Watch Nathalie Cabrol: Alien Hunter on CCTV show Full FrameExploration, whatever its focus, is limitless, multi-facetted, and exquisitely complex. The understanding of how and why planets evolve, whether they could have hosted habitats for life, how climate change impacts their habitability - and for Earth, its biodiversity - are questions that need to be addressed through a synergetic approach by looking at many different and complementary angles simultaneously.